MIL-STD-1275B View Datasheet(PDF) - Sensitron
Part Name
Description
Manufacturer
MIL-STD-1275B Datasheet PDF : 11 Pages
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SENSITRON
SEMICONDUCTOR
TECHNICAL DATA
DATASHEET 4310, Rev B
SPDXXD28 SERIES
Board Layout
The current-carrying power circuit should be kept well away from the control circuit and other low-level circuits in
the system. It’s unlikely, but possible, that magnetic coupling could affect the control circuit when turning normal
loads on and off. However, in the case of an overload, the magnetic coupling could be 10 times greater than
with normal loads. Effects of such coupling could cause ‘chattering’ when turning on and off, oscillation, and the
possibility of turning the SPDXXD28 back on after an overload. The SPDXXD28 Series is a Trip-Free device.
Once tripped it will not turn back on until reset and commanded on again. Reset is accomplished by bringing
the CONTROL pin low and turning the SSPC back on is accomplished by bringing the CONTROL pin high.
Sufficient magnetic coupling between the current-carrying power circuit and the control circuit can negate the
Trip-Free characteristic.
MIL-STD-704F and MIL-STD-1275B
These standards cover the characteristics of the electrical systems in Military Aircraft and Vehicles. The
SPDXXD28 Series meets all of the requirements of MIL-STD-704F including Normal, Emergency, Abnormal and
Electric Starting conditions with the Ripple, Distortion Factor and Distortion Spectrum defined in the standard.
The SPDXXD28 Series also meets all of the requirements of MIL-STD-1275B including operation with Battery
and Generator, Generator Only and Battery Only for all of the conditions described in the standard including
Cranking, Surges, Spikes and Ripple.
In addition, the SPDXXD28 Series can withstand + 600 V spikes for 10uS. This capability is beyond that
required by the standards cited above.
DISCLAIMER:
1- The information given herein, including the specifications and dimensions, is subject to change without prior notice to improve product
characteristics. Before ordering, purchasers are advised to contact the Sensitron Semiconductor sales department for the latest version of the
datasheet(s).
2- In cases where extremely high reliability is required (such as use in nuclear power control, aerospace and aviation, traffic equipment, medical
equipment , and safety equipment) , safety should be ensured by using semiconductor devices that feature assured safety or by means of users’
fail-safe precautions or other arrangement .
3- In no event shall Sensitron Semiconductor be liable for any damages that may result from an accident or any other cause during operation of
the user’s units according to the datasheet(s). Sensitron Semiconductor assumes no responsibility for any intellectual property claims or any
other problems that may result from applications of information, products or circuits described in the datasheets.
4- In no event shall Sensitron Semiconductor be liable for any failure in a semiconductor device or any secondary damage resulting from use at
a value exceeding the absolute maximum rating.
5- No license is granted by the datasheet(s) under any patents or other rights of any third party or Sensitron Semiconductor.
6- The datasheet(s) may not be reproduced or duplicated, in any form, in whole or part, without the expressed written permission of Sensitron
Semiconductor.
7- The products (technologies) described in the datasheet(s) are not to be provided to any party whose purpose in their application will hinder
maintenance of international peace and safety nor are they to be applied to that purpose by their direct purchasers or any third party. When
exporting these products (technologies), the necessary procedures are to be taken in accordance with related laws and regulations.
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